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2026-07-20 - 01:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Jul 19, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88392122112,7sleep10-21swapper/107:07:211
88572121112,6sleep20-21swapper/207:07:342
1915421170,0sleep119155-21apt-get07:45:001
88312114104,7sleep30-21swapper/307:07:153
8751210898,7sleep00-21swapper/007:06:120
99032710,0sleep30-21swapper/310:00:143
182632630,0sleep20-21swapper/209:35:222
54762620,0sleep30-21swapper/307:30:203
145302610,0sleep30-21swapper/308:05:253
173632590,0sleep10-21swapper/110:05:171
299882570,0sleep00-21swapper/011:15:160
209382570,1sleep220940-21kthreadcore11:35:172
921199290,28cyclictest0-21swapper/112:26:221
921199280,27cyclictest0-21swapper/107:35:461
9216992723,3cyclictest0-21swapper/210:09:442
921199270,26cyclictest0-21swapper/110:01:291
921199270,26cyclictest0-21swapper/109:47:261
921199270,26cyclictest0-21swapper/107:14:031
9216992618,7cyclictest749-21snmpd11:27:542
9216992618,7cyclictest749-21snmpd11:07:302
9216992618,7cyclictest749-21snmpd10:28:292
9216992618,7cyclictest749-21snmpd08:50:412
9216992617,8cyclictest749-21snmpd12:29:582
921699260,25cyclictest0-21swapper/208:12:282
921199260,25cyclictest0-21swapper/111:33:331
921199260,25cyclictest0-21swapper/111:18:391
921199260,25cyclictest0-21swapper/111:03:421
9216992518,6cyclictest749-21snmpd12:15:192
9216992518,6cyclictest749-21snmpd08:57:472
9216992518,6cyclictest749-21snmpd07:40:032
921699250,25cyclictest0-21swapper/211:47:172
921699250,20cyclictest0-21swapper/210:11:052
921199250,24cyclictest0-21swapper/109:28:471
921199250,24cyclictest0-21swapper/108:29:081
9216992422,2cyclictest0-21swapper/207:49:562
9216992417,6cyclictest749-21snmpd07:34:362
9216992416,7cyclictest749-21snmpd09:27:352
9216992416,7cyclictest749-21snmpd08:16:022
9211992422,2cyclictest0-21swapper/110:29:531
921199240,23cyclictest0-21swapper/107:49:591
920699240,23cyclictest0-21swapper/010:40:110
9216992317,5cyclictest0-21swapper/212:07:032
9216992316,5cyclictest752-21lldpd10:37:172
9211992321,2cyclictest0-21swapper/110:35:141
921199231,21cyclictest0-21swapper/107:54:531
921199230,22cyclictest0-21swapper/109:38:291
9216992216,5cyclictest749-21snmpd11:20:332
9216992216,5cyclictest749-21snmpd09:23:322
9216992214,7cyclictest749-21snmpd08:05:442
921699221,3cyclictest0-21swapper/211:10:192
921699221,3cyclictest0-21swapper/209:52:472
9216992213,8cyclictest749-21snmpd08:39:552
921699220,15cyclictest0-21swapper/207:10:182
9211992220,2cyclictest0-21swapper/111:05:541
9211992220,2cyclictest0-21swapper/110:54:111
9211992220,2cyclictest0-21swapper/108:41:351
9211992220,2cyclictest0-21swapper/108:17:561
9211992219,3cyclictest0-21swapper/112:33:061
9211992218,3cyclictest0-21swapper/111:14:011
9211992218,3cyclictest0-21swapper/109:07:231
9211992218,3cyclictest0-21swapper/109:03:501
921199220,3cyclictest0-21swapper/109:19:081
921199220,21cyclictest0-21swapper/110:40:081
921199220,21cyclictest0-21swapper/110:24:591
921199220,21cyclictest0-21swapper/108:45:311
921199220,21cyclictest0-21swapper/107:57:461
9216992119,2cyclictest0-21swapper/212:35:152
9216992119,1cyclictest749-21snmpd07:17:402
9216992118,2cyclictest749-21snmpd12:03:192
9216992118,2cyclictest749-21snmpd09:06:112
9216992118,2cyclictest749-21snmpd07:51:532
9216992118,2cyclictest16051-21munin-run10:35:002
9216992117,3cyclictest0-21swapper/212:11:092
9216992117,3cyclictest0-21swapper/207:23:092
921699211,5cyclictest280-21systemd-journal12:32:532
9216992115,5cyclictest749-21snmpd09:10:562
9216992114,6cyclictest749-21snmpd10:51:172
9216992113,7cyclictest749-21snmpd11:50:252
9216992112,8cyclictest749-21snmpd10:04:382
921699211,19cyclictest0-21swapper/209:00:282
921699210,3cyclictest0-21swapper/211:32:002
921699210,20cyclictest0-21swapper/210:20:022
921699210,20cyclictest0-21swapper/209:45:142
921699210,20cyclictest0-21swapper/209:43:592
921699210,20cyclictest0-21swapper/208:33:232
921699210,20cyclictest0-21swapper/208:02:532
921699210,14cyclictest4602-21/usr/sbin/munin12:20:152
9211992119,2cyclictest0-21swapper/110:16:411
9211992119,2cyclictest0-21swapper/109:12:591
9211992119,2cyclictest0-21swapper/108:20:401
9211992117,3cyclictest0-21swapper/110:47:351
9211992117,3cyclictest0-21swapper/109:31:531
9211992117,3cyclictest0-21swapper/107:30:401
9211992116,4cyclictest0-21swapper/112:21:541
9211992116,4cyclictest0-21swapper/108:05:041
921199211,19cyclictest0-21swapper/110:14:261
921199210,3cyclictest0-21swapper/110:57:161
921199210,20cyclictest0-21swapper/111:57:091
921199210,20cyclictest0-21swapper/111:51:571
921199210,20cyclictest0-21swapper/111:49:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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